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Correlation Analysis of Reactor Internal and External Vibration Based on Sum Squared Residual

机译：基于和平方残差的反应器内外振动的相关性分析

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The vibration of electric equipment, such as reactor, can reflect the condition of the equipment. It is very important to measure and analyze the information of reactor vibration for the diagnosis of reactor operation. The vibration of the inner winding and core of the reactor cannot be measured directly, and the vibration measuring points are usually set on the external surface of the oil tank. In this paper, by comparing the vibration signals of reactor, the relationship between the vibration of external and internal measuring points is explored. Firstly, several vibration sensors are set on oil-immersed large reactor outside surface and inside, and different voltages are applied to the reactor to obtain the internal and external vibration signals of the reactor under the corresponding operating condition. Then, the effectiveness of PCC (Pearson Correlation Coefficient) and RSSR (Reciprocal of Sum Squared Residual) on the vibration correlation analysis is compared and analyzed. Finally, the average value of RSSR under different voltage levels is selected as the basis for evaluating the correlation, and the correlation between reactor external and internal measurement points is analyzed. The correspondence law between the external vibration measurement point and the internal measurement point is proposed.
机译：电气设备的振动，例如反应器，可以反映设备的状况。衡量和分析反应器振动信息以进行反应器操作的诊断非常重要。不能直接测量反应器内绕组和芯的振动，并且通常在油箱的外表面上设定振动测量点。本文通过比较反应器的振动信号，探讨了外部和内部测量点的振动之间的关系。首先，几个振动传感器都设置在油浸大的反应器外表面和内部，并且不同的电压被施加到反应器中以获得相应的操作条件下反应器的内部和外部的振动的信号。然后，比较和分析了PCC（Pearson相关系数）和RSSR（总和平方残余）对振动相关分析的有效性。最后，选择RSSR在不同电压电平下的平均值作为评估相关性的基础，分析反应器外部和内部测量点之间的相关性。提出了外部振动测量点与内部测量点之间的对应定律。

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